高强度大动态范围高效率三倍频转换的数值模拟
A numeric simulation on high power large dynamic high efficiency third harmonic conversion
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摘要: 对高强度大动态范围基频光入射以及偏振态发生部分变化的条件下，Ⅰ/Ⅱ角度失谐和Ⅱ/Ⅱ偏振失配（双倍频和双混频）两种高效三倍频方案的转换特性进行了数值模拟，结果表明在上述条件下Ⅰ/Ⅱ角度失谐方案优于Ⅱ/Ⅱ偏振失配方案。Abstract: The overall characteristics of high efficiency third harmonic conversion for type Ⅰ/type Ⅱ angledetuning and type Ⅱ/type Ⅱ polarization mismatch schemes (two doubler and two tripler) have been analyzed by numeric simulation with high power large dynamic input fundamental waves. The effects of partial polarization beam on both schemes have also been simulated. The results show that the type Ⅰ/type Ⅱ angeldetuning scheme is better than type Ⅱ/type Ⅱ polarization mismatch scheme under above conditions.
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